List validation - Multiple Choice Field --> some choices make another column required
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16-02-2021 - |
Frage
There is a list. One column has 6 project states. Another column is for when the project will start. We want to connect the 2 when say 3 of those states are chosen(but continue to not be required if the other 3 are). So if Option1, Option2, or Option3 are chosen, then make date column required.
Going through guides, everything is for Boolean choices, and I can't seem to find the right method, nor do I understand the formulas very well to begin with. This is SP2016 and using List Validation.
=IF[Phase]=Option1,Option2,Option3THEN[Date]="True"
?? (I stress this is not my strong point)
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